摘要:
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android. 阅读全文
摘要:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/ 阅读全文
摘要:
package com.example.zuoye6; import androidx.appcompat.app.AppCompatActivity; import android.app.Activity; import android.os.Bundle; import android.vie 阅读全文
摘要:
package com.example.homework4; import android.app.AlertDialog; import android.content.DialogInterface; import android.graphics.Color; import android.o 阅读全文
摘要:
package com.example.homework2; /** * @author 关少建 */ import android.support.v7.app.ActionBarActivity; import android.os.Bundle; import android.view.Vie 阅读全文
摘要:
<?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" x 阅读全文